3 years ago

A square with an area of 9cm2. If each side has its length doubled, what is the new area?

1 answer:

4 0

Answer:

Step-by-step explanation:

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Gwar [14]

Answer:

Step-by-step explanation:

The sum of the interior angles of a polygon with n side is

$180(n-2)$

So, for a polygon with 5 sides the expression is

$180\cdot 3 = 540$

5 0

3 years ago

Komok [63]

The expanded form is: 800,000,000+70,000,000+ 6,000,000

7 0

3 years ago

tatiyna

76 cm would be your answer, so B.

8 0

2 years ago

san4es73 [151]

Answer:

a² - a² = 0

hope it helps

7 0

3 years ago

vagabundo [1.1K]

Answer: 0.88 kilometers

8 0

2 years ago